Can the dark energy equation-of-state parameter<i>w</i>be less than<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>−</mml:mi><mml:mn>1</mml:mn><mml:mi>?</mml:mi></mml:math>
Models of dark energy are conveniently characterized by the equation-of-state\nparameter w=p/\\rho, where \\rho is the energy density and p is the pressure.\nImposing the Domina...